sudo yum install -y mongodb-org

sudo systemctl start mongod

sudo systemctl enable mongod

mongo 
use admin
db.createUser({user: 'root', pwd: 'root', roles: ['readWriteAnyDatabase']})

vi /etc/mongod.conf
# 添加
security:
  authorization: enabled

mongosh -u root --authenticationDatabase admin
# 输入密码

wget http://ftp.gnu.org/gnu/gcc/gcc-8.1.0/gcc-8.1.0.tar.xz

tar -xvf gcc-8.1.0.tar.xz
cd gcc-8.1.0

# 安装依赖
./contrib/download_prerequisites
# 编译目录
mkdir build
cd build
# 配置,安装到/usr/local/gcc目录
../configure --prefix=/usr/local/gcc --enable-languages=c,c++ --disable-multilib
# make
make && make install

# 如果有老的版本先备份
sudo mv /usr/bin/gcc /usr/bin/gcc_bak
sudo ln -s /usr/local/gcc/gcc /usr/bin/gcc
# 如果有老的版本先备份
sudo mv /usr/bin/g++ /usr/bin/g++_bak
sudo ln -s /usr/local/gcc/g++ /usr/bin/g++

gcc --version

sudo yum install centos-release-scl

sudo yum search devtoolset

sudo yum install devtoolset-8-gcc
sudo yum install devtoolset-8-gcc-c++

sudo source /opt/rh/devtoolset-8/enable

# 替换gcc
sudo mv /usr/bin/gcc /usr/bin/gcc_bak
sudo ln -s /opt/rh/devtoolset-8/root/bin/gcc /usr/bin/gcc
# 替换g++
sudo mv /usr/bin/g++ /usr/bin/g++_bak
sudo ln -s /opt/rh/devtoolset-8/root/bin/g++ /usr/bin/g++

yum install zlib zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make

wget https://www.python.org/ftp/python/3.9.10/Python-3.9.10.tar.xz

tar -xvf Python-3.9.10.tar.xz

# 进入解压后的目录
cd Python-3.9.10
# 配置安装目录/usr/local/python3
./configure prefix=/usr/local/python3
# 编译
make && make install

# 原python位置
which python
# 备份
mv /bin/python /bin/python_bak
# 重新链接
ln -s /usr/local/python3/bin/python3 /usr/bin/python

# 原pip位置
which pip
# 备份
mv /bin/pip /bin/pip_bak
# 重新链接
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip

# 下载
wget https://studygolang.com/dl/golang/go1.17.7.linux-amd64.tar.gz
# 解压
tar -xvf go1.17.7.linux-amd64.tar.gz
# 统一放/usr/local
sudo mv go/ /usr/local/

export GOROOT=/usr/local/go
export PATH=$PATH:/usr/local/go/bin

source ~/.bashrc

go env

sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo

sudo wget --no-check-certificate -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo
// jenkins.repo会添加到/etc/yum.repos.d/中
cat /etc/yum.repos.d/jenkins.repo

sudo rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key

yum update -y nss curl libcurl 

yum install epel-release
yum install java-1.8.0-openjdk-devel

yum install jenkins

yum provides '*/applydeltarpm'

yum install -y deltarpm

vi /etc/yum.repos.d/grafana.repo

yum install grafana

systemctl start grafana-server

systemctl enable grafana-server

yum install libaio
wget https://downloads.mysql.com/archives/get/p/23/file/mysql-community-server-5.7.34-1.el7.x86_64.rpm
rpm -ivh mysql-community-server-5.7.34-1.el7.x86_64.rpm

# 提示
error: Failed dependencies:
        mysql-community-client(x86-64) >= 5.7.9 is needed by mysql-community-server-5.7.34-1.el7.x86_64
        mysql-community-common(x86-64) = 5.7.34-1.el7 is needed by mysql-community-server-5.7.34-1.el7.x86_64

wget https://downloads.mysql.com/archives/get/p/23/file/mysql-community-common-5.7.34-1.el7.x86_64.rpm
rpm -ivh mysql-community-common-5.7.34-1.el7.x86_64.rpm
# 提示和mariadb-libs冲突
file /usr/share/mysql/czech/errmsg.sys from install of mysql-community-common-5.7.34-1.el7.x86_64 conflicts with file from package mariadb-libs-1:5.5.68-1.el7.x86_64
# 查看出来删除掉
rpm -qa|grep mariadb-libs
rpm -e mariadb-libs-5.5.68-1.el7.x86_64 --nodeps
# 再重新安装mysql-community-common

wget https://downloads.mysql.com/archives/get/p/23/file/mysql-community-client-5.7.34-1.el7.x86_64.rpm
rpm -ivh mysql-community-client-5.7.34-1.el7.x86_64.rpm
error: Failed dependencies:
        mysql-community-libs(x86-64) >= 5.7.9 is needed by mysql-community-client-5.7.34-1.el7.x86_64
        

wget https://downloads.mysql.com/archives/get/p/23/file/mysql-community-libs-5.7.34-1.el7.x86_64.rpm
rpm -ivh mysql-community-libs-5.7.34-1.el7.x86_64.rpm

systemctl start mysqld
# 查看状态
systemctl status mysqld

/usr/bin/mysqladmin -u root password 'xxx'

# 找到密码
sudo grep 'temporary password' /var/log/mysqld.log
# 登录
mysql -uroot -p
# 修改密码
ALTER USER 'root'@'localhost' IDENTIFIED BY 'MyNewPass4!'

# 出错
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements

# 降低密码强度
set global validate_password_policy=0;
set global validate_password_length=1;

# mysql8，没这两个变量
SHOW VARIABLES LIKE 'validate_password%';
# 改为
set global validate_password.policy=0;
set global validate_password.length=1;
systemctl restart mysqld

sudo yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine

sudo yum install -y yum-utils
sudo yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo

sudo yum-config-manager --enable docker-ce-nightly

sudo yum install docker-ce docker-ce-cli containerd.io

yum list docker-ce --showduplicates | sort -r

sudo yum install docker-ce-<VERSION_STRING> docker-ce-cli-<VERSION_STRING> containerd.io

sudo systemctl start docker

sudo docker run hello-world